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    <title>Title</title>
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  <marquee><font color="red">欢迎使用学生成绩管理系统</font></marquee>
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<table border="1" width="600" height="300px">
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    <td colspan="2">评价</td>
    <td colspan="5">本次考试及格三人，不及格一人。及格率75%</td>
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  <tr>
    <td>1</td>
    <td>admin</td>
    <td>20</td>
    <td>100</td>
    <td>90</td>
    <td>80</td>
    <td>
      <a href="">修改</a>
      <a href="">删除</a>
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  <tr>
    <td>2</td>
    <td>alice</td>
    <td>18</td>
    <td>80</td>
    <td>80</td>
    <td>80</td>
    <td>
      <a href="">修改</a>
      <a href="">删除</a>
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  </tr>
  <tr>
    <td>3</td>
    <td>jack</td>
    <td>21</td>
    <td>70</td>
    <td>90</td>
    <td>60</td>
    <td>
      <a href="">修改</a>
      <a href="">删除</a>
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  <tr>
    <td>4</td>
    <td>luck</td>
    <td>19</td>
    <td>70</td>
    <td>90</td>
    <td>50</td>
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      <a href="">修改</a>
      <a href="">删除</a>
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<tr>
  <th rowspan="2">学号</th>
  <th rowspan="2">姓名</th>
  <th rowspan="2">年龄</th>
  <th colspan="3">成绩</th>
  <th rowspan="2">操作</th>
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  <th>java</th>
  <th>Web</th>
  <th>MySql</th>
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